Tractor reference
Yanmar SA425
Specifications, maintenance, parts and compatibility reference.
Reference set: United States · Hydrostatic transmission, dual range speeds · Current Current Yanmar America model record; deeper technical rows use a current-linked official specification sheet where available.
Engine
Engine manufacturerYanmar
Engine family3TNV80F
Cylinders3
Gross engine power23.9 hp
Engine displacement1.3 L
Rated engine speed3200 rpm
AspirationNaturally aspirated
Transmission
Standard transmissionHydrostatic transmission, dual range speeds
DrivelineSelectable 2WD / 4WD
PTO
PTO power18.1 hp
PTO typeIndependent mid and rear PTO
PTO configuration554 rpm at 3,200 engine rpm
Mid PTO2,057 rpm at 3,200 engine rpm
Hydraulics
Hydraulic pump rated output4.3 gpm
Steering pump capacity3.7 gpm
3-point hitchLimited Category 1
3-point hitch lift capacity at 24 in. behind lift point1209 lb
Dimensions & Weight
Overall width54.1 in
Overall height87.2 in
Overall length105.8 in
Standard 4WD wheelbase63 in
Front axle clearance9.9 in
Base weight1830 lb
Capacities
Fuel tank capacity6.1 US gal (23 L)
Electrical
Alternator40 A
Battery540 CCA
Maintenance schedule
Tasks shown here are limited to the selected reference context plus any generic machine-level tasks. Intervals are tied to the cited maintenance source, and each task shows its evidence confidence.
MaintenanceChange change fuel / water separator elementApplies to: United States · Hydrostatic transmission, dual range speeds · current versionEvidence: Official sourceSource: Yanmar SA223/SA325/SA425 Quick Operation & Maintenance Guide →Replacement interval is stored as 100 hours; the 50-hour drain action remains in interval text.
Drain every 50 hours; replace every 100 hours or if necessary
MaintenanceChange change engine oilApplies to: United States · Hydrostatic transmission, dual range speeds · current versionEvidence: Official sourceSource: Yanmar SA223/SA325/SA425 Quick Operation & Maintenance Guide →Official SA223/325/425 quick maintenance guide.
First at 50 hours; at 200 hours; then every 200 hoursInitial service: 50 hours
MaintenanceChange change engine oil filterApplies to: United States · Hydrostatic transmission, dual range speeds · current versionEvidence: Official sourceSource: Yanmar SA223/SA325/SA425 Quick Operation & Maintenance Guide →Official SA223/325/425 quick maintenance guide.
First at 50 hours; at 200 hours; then every 200 hoursInitial service: 50 hours
MaintenanceChange change transmission / hydraulic oilApplies to: United States · Hydrostatic transmission, dual range speeds · current versionEvidence: Official sourceSource: Yanmar SA223/SA325/SA425 Quick Operation & Maintenance Guide →The guide groups transmission filters and oil under the same 50/300-hour schedule.
First at 50 hours; at 300 hours; then every 300 hoursInitial service: 50 hours
MaintenanceChange change transmission and line filtersApplies to: United States · Hydrostatic transmission, dual range speeds · current versionEvidence: Official sourceSource: Yanmar SA223/SA325/SA425 Quick Operation & Maintenance Guide →Official SA223/325/425 guide lists transmission and line filters.
First at 50 hours; at 300 hours; then every 300 hoursInitial service: 50 hours
MaintenanceChange change front axle gear oilApplies to: United States · Hydrostatic transmission, dual range speeds · current versionEvidence: Official sourceSource: Yanmar SA223/SA325/SA425 Quick Operation & Maintenance Guide →The first 50-hour item is an inspection, not a replacement; therefore no initial replacement interval is stored.
Check after first 50 hours; replace every 500 hours
MaintenanceChange change fuel filterApplies to: United States · Hydrostatic transmission, dual range speeds · current versionEvidence: Official sourceSource: Yanmar SA223/SA325/SA425 Quick Operation & Maintenance Guide →Official SA223/325/425 quick maintenance guide.
Every 500 hours or if necessary
MaintenanceChange change engine coolantApplies to: United States · Hydrostatic transmission, dual range speeds · current versionEvidence: Official sourceSource: Yanmar SA223/SA325/SA425 Quick Operation & Maintenance Guide →Official SA223/325/425 quick maintenance guide.
Every 1,000 hours or 2 years
Documented attachment fitment
Attachment fitment is stored separately from the specification/parts version selector. Multiple cited records for the same attachment are grouped below rather than shown as duplicate attachments. A listed attachment may still require a specific axle, driveline, transmission or tractor configuration.
Front loaderYanmar YL210Fitment note: Official Yanmar SA specification brochure pairs YL210 with the SA325 and SA425/SA425DHX platforms.Front loader details: Yanmar SA Series front loader; 2,090 lb breakout force; 53 in bucket; 3.9 in digging depth; 423 lb loader with bucketFitment source: Yanmar America SA Series loader specifications →
1,200 lb lift capacityLift height: 79 in maximum lift height
Sources
Yanmar · official sourceYanmar America SA Series loader specifications
Yanmar · official sourceYanmar SA223/SA325/SA425 Quick Operation & Maintenance Guide